37

Lesson 37 of 84 ยท Matter and Atoms

Experimentโญ 30 XP๐Ÿงช Potion Kitchen

Particles in Motion (Part 2)

๐ŸงชLab Brief #37

Matter and Atoms.

๐ŸŽฏ Your mission

Run the experiment. Find out what really happens.

โšก The twist

If it bubbles, something invisible is escaping.

๐Ÿคฏ

Mind = Blown

๐Ÿ’ง Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.

๐Ÿ”ฎ

Make a hypothesis first

Guess: will the fizz be loud, soft, or none at all?

What You'll Learn

Matter is made of tiny particles that are always in motion. In solids, particles vibrate in place; in liquids, they slide past each other; in gases, they move freely.

Key Words

Tap a word to see its definition.

Materials Needed

  • sugar
  • vinegar
  • baking soda
  • cups
  • spoons
  • food coloring

Safety First

  • Wash hands after handling materials.
  • Be careful with scissors โ€” ask an adult for help if needed.

Steps

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

Separate a mixture of sand, salt, and iron filings using a magnet, water, and a filter. Record each step and what you separated.

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

Which state of matter has a definite shape and volume?

๐ŸŒ

Where you see this in real life

Your toothpaste, your soap, even your breakfast involves this.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Ask a grown-up to help you mix two safe kitchen things. Predict what will happen first.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's something we cook that mixes things together this way?โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐Ÿ”ฌShare card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

๐Ÿ–จ๏ธ

Checkout complete lesson on Matter and Atoms for 7th Grade

Get the full Matter and Atoms track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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Particles in Motion (Part 2) โ€” Matter and Atoms | 7th Grade Science | LittleActivity | LittleActivity